CVE-2015-7977 describes a denial-of-service vulnerability in ntpd versions prior to 4.2.8p6 and 4.3.90, affecting various products including NTP, Debian, and Oracle. This medium-severity vulnerability (CVSS 5.9) allows remote attackers to trigger a NULL pointer dereference via a crafted ntpdc reslist command, leading to service disruption. While the attack complexity is high, no user interaction is required. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.2.8CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | ||
>= 4.3.0, < 4.3.90CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | ||
4.2.8CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:* | ||
4.2.8CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* | ||
4.2.8CPE matchmatch criteria | cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
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